Updates to run on ruby 1.9.3, to replace JS model renderer and some view changes

App runs with Ruby 1.9.3 in Fedora. Previous views based on old JS code
replaced and now uses bio-svgenes gem. Views edited for OADB project.
Remove limit for Postgres compatability
Move to a Gemfile for dependency management
Add .gitignore
Use rvm
Move to Postgres instead of MySQL
Remove MySQL-specific hack
Remove Rails and Rake specific version
Add cucumber
Add RSpec and database_cleaner
Add cucumber database
RSpec generated files
Remove JS emulation
Remove limit for binary data
Add cucumber scenario for adding an organism
Link labels to the correct text field
Uncomment link to create a new organism
RSpec setup
Install Rails upgrade plugin
Remove unused files for Rails 3.2